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CVE record · CVE-2026-90174

ksmbd: fix slab-out-of-bounds read in ksmbd_alloc_user()

CVSS 7.1 HighEPSS 0.0017 · 5th percentile

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:07 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Linux Linux
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 792dd35013427995e742c7928ef5b564434a4321 git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 67223b1150a9edea52350d8cd085ea9081beaa45 git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 863f74ad158fef2987b9146f29d4b3149bb95953 git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 272c05a51285fe3495ab2f7eb77a48ad831b929f git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 497c221bf6b2f659511719a6acfae84cc1be1caf git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 7405d0ba294306721843bc551611775e6edef516 git
Other versions: unaffected
Linux Linux
  • affected 5.15
  • unaffected before 5.15 semver
  • unaffected 6.1.191 to 6.1.*, inclusive semver
  • unaffected 6.6.160 to 6.6.*, inclusive semver
  • unaffected 6.12.114 to 6.12.*, inclusive semver
  • unaffected 6.18.57 to 6.18.*, inclusive semver
  • unaffected 7.2.6 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-90174
CNA
Linux
Tags
Published
17 Sept 2026
Updated
30 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.1 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0017, the 5th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 17 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.